﻿using SmartPatientCentre.Common;
using SmartPatientCentre.Models;
using SmartPatientCentre.ViewModels;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.UI.Popups;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;

// The Hub Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=321224

namespace SmartPatientCentre.Pages
{
    /// <summary>
    /// A page that displays a grouped collection of items.
    /// </summary>
    public sealed partial class ResultDetails : Page
    {
        private NavigationHelper navigationHelper;
        private ObservableDictionary defaultViewModel = new ObservableDictionary();

        /// <summary>
        /// This can be changed to a strongly typed view model.
        /// </summary>
        public ObservableDictionary DefaultViewModel
        {
            get { return this.defaultViewModel; }
        }

        /// <summary>
        /// NavigationHelper is used on each page to aid in navigation and 
        /// process lifetime management
        /// </summary>
        public NavigationHelper NavigationHelper
        {
            get { return this.navigationHelper; }
        }

        public ResultDetails()
        {
            this.InitializeComponent();
            this.navigationHelper = new NavigationHelper(this);
            this.navigationHelper.LoadState += navigationHelper_LoadState;
        }


        /// <summary>
        /// Populates the page with content passed during navigation.  Any saved state is also
        /// provided when recreating a page from a prior session.
        /// </summary>
        /// <param name="sender">
        /// The source of the event; typically <see cref="NavigationHelper"/>
        /// </param>
        /// <param name="e">Event data that provides both the navigation parameter passed to
        /// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and
        /// a dictionary of state preserved by this page during an earlier
        /// session.  The state will be null the first time a page is visited.</param>
        private void navigationHelper_LoadState(object sender, LoadStateEventArgs e)
        {
            // TODO: Assign a collection of bindable groups to this.DefaultViewModel["Groups"]
        }

        #region NavigationHelper registration

        /// The methods provided in this section are simply used to allow
        /// NavigationHelper to respond to the page's navigation methods.
        /// 
        /// Page specific logic should be placed in event handlers for the  
        /// <see cref="GridCS.Common.NavigationHelper.LoadState"/>
        /// and <see cref="GridCS.Common.NavigationHelper.SaveState"/>.
        /// The navigation parameter is available in the LoadState method 
        /// in addition to page state preserved during an earlier session.

        protected override void OnNavigatedTo(NavigationEventArgs e)
        {
            navigationHelper.OnNavigatedTo(e);

            //int id = (int)e.Parameter;

            //// Get Patient by Id
            //Patient patient = App.Data.PatientList.Find(p => p.Id == id);

            //// Create ViewModel for Results
            //List<Result> list = patient.Results as List<Result>;
            //ResultsViewModel results = new ResultsViewModel(list);

            //// Bind Data
            //DefaultViewModel["Patient"] = patient;
            //DefaultViewModel["AllResults"] = results.All;
            //DefaultViewModel["SodiumResults"] = results.Sodium;
            //DefaultViewModel["PotassiumResults"] = results.Potassium;

            // Cast passed parameter as dynamic type
            var param = e.Parameter as dynamic;
            string resultType = param.resultType;

            // Create ViewModel
            ResultsViewModel resultsVM = param.results;

            // Bind Data
            DefaultViewModel["Patient"] = resultsVM.Patient;
            DefaultViewModel["ResultList"] = resultsVM.Select(resultType);

            // Create Chart
            ChartHub.Header = " " + resultType;
            ChartViewModel chartVM = new ChartViewModel(resultsVM);
            DefaultViewModel["Chart"] = chartVM.Select(resultType);


        }

        protected override void OnNavigatedFrom(NavigationEventArgs e)
        {
            navigationHelper.OnNavigatedFrom(e);
        }

        #endregion

        // Dashboard Button
        private void DashboardButtonClick(object sender, RoutedEventArgs e)
        {
            Frame.Navigate(typeof(Pages.Dashboard));
        }

        // All Patients Button
        private void AllPatientsButtonClick(object sender, RoutedEventArgs e)
        {
            Frame.Navigate(typeof(Pages.Patients), "All Patients");
        }

        private void MyPatientsButtonClick(object sender, RoutedEventArgs e)
        {
            Frame.Navigate(typeof(Pages.Patients), "My Patients");
        }

        // Logout Button Click
        private async void LogoutButtonClick(object sender, RoutedEventArgs e)
        {
            string message = "You are about to log out. Are you sure?";
            var messageDialog = new MessageDialog(message);
            messageDialog.Commands.Add(new UICommand("Yes", delegate(IUICommand command) { Frame.Navigate(typeof(Pages.Login)); }));
            messageDialog.Commands.Add(new UICommand("No"));
            await messageDialog.ShowAsync();
        }
    }
}
